for Atom and RSS and KML
It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="360"></head><body><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-330370305688.mit-edu.top",cType: 'managed',cRay: '94ae90fea81820c4',cH: 'IDSD63hCT40Bh5wckgoRasUQwg4gCXHOaed.GAaXAcg-1749114936-1.2.1.1-83K22VtczZ4LsXl0_7uLb0eVWds1RPGn_0N7Ko3Bju7BPPv1fxYsFzaI_3LE6a9i',cUPMDTk: "\/post\/2106573489?__cf_chl_tk=iLkZrLjfD1TOHTTbiVpRB93S9Td4Qp8uDDcMIptjQ3M-1749114936-1.0.1.1-TLI1fMENVO5oOsIG_8qAHS6ZhEZpInMnC5ZkpoTg6JE",cFPWv: 'b',cITimeS: '1749114936',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/2106573489?__cf_chl_f_tk=iLkZrLjfD1TOHTTbiVpRB93S9Td4Qp8uDDcMIptjQ3M-1749114936-1.0.1.1-TLI1fMENVO5oOsIG_8qAHS6ZhEZpInMnC5ZkpoTg6JE",md: "vJfoxq5yb8.JST53dd4wkG67rnAF75GS4OMvEAn.jeY-1749114936-1.2.1.1-nvhG0Ve_6.4ARsIPuVyzIVUYWE_Zr02Ivdu08XLmJzG1hY.2ifDaihV22BdtVaC1d9r9dzw6Pkc8httZ6ErIR5CIweotiyK1TqG4FWkCidTCO6uQItuA4HWWex1Mfb2JU4VUKQxbbRgYFxAiShhG6pNWGm.5kbxvMhNHP7EHB9VjfDw2ZoKdynA6t29AeWddSRYvryonGIHyrbR0DCK7mbl.EvX2wGv02eKfMY51ErOKVgSaJibArPDVIxcpE2o3Mpt0d0U4qilj9VVmY9cNkgF9iTtXqiVXALUZTohA_9A0zJ0XOViaNjy.oqHp1jJ73ofs_vMiU6gtnNZAbCq604RTIs6xnJIEm3w4c3Wn71KFcJcS_OEgje0JHKDzZNH3O8MD7ZporsKPGIt1GrY7p17OJEVDZFZL.TnXjL.KGJ9HfT2k8lOBKx79hxfIaaM5YndQy6ybaoSU7BcXC_Et4LoUSrbO19.1TmnrZyQKzUFIvkQ_EsC_UBxorc8Ua06hSYo.uL1sDDmAVHgUQeidn6EiQaPcVn20BstuyQtCexJqqP4MA.eJjrSJYjFIvCXY9r8Mwcb7LtGTBkR3xT1ZqU3QRQXHGFcVem5hgI_mUEiHq9UZPUXB_R_f40PwuvIH2X6F.beIVbYM8J9QOtSMmOhlCcb0rW9Nj463wWEXcgRehyByAFH.MiLBWgoT8ta2wyZ.5jf2hlOC_UugEr0xeNBHM5zWPpkZbuPJiEONtGoKZwocrRy5Hf7I7IXmJaJPfEpeAi9DC22uZvNi9ruLeW.t5RujYU8FmwW_vjayq1ym2etg9gP5Tbi.HvN1dYZcBD10mLcxNanxJPvUC_ILiQ",mdrd: "oNKS2ohJia4ImIMlAzqTnIDm.Tk0A9I6_SU5LKnEjnc-1749114936-1.2.1.1-7uwQbWv90dD363DtnOFmqXgDEs1dUNZ2lcz.FoceNb9h7YdgcvfvEDMRDgPrHZkApq690SugkeUAruFp2jzy5gQdLyPNuY5gWw5vT5ediFDLVI56.wq6mPvRS4vEpd8T.LDwbnBMOJelE9G9xgHTIH8clwiti4PUzIWQKOT9ZMrONoD_aaILz_Wf34fq6dkKTu2SzTdsnCg5DH.SpoMMVx1ytmWYkJYm1To.i0HdMTNdci2Q1XSkKal2fSv1ndT17hd7yLLcgehsPp4XtJrNjtiBDUm6YI2cEAztbT5p7NznJMsDhJIORc_7K511a.Zi3ylwXuJJrR2rnJGen82zjyq84FfB9i2FDKgieeqHBGwm1HoENj4KbMI2KOSKq7muuA.fgAFHeAC.VDA3mrHS3gNgS.vb87HrKi0s0V03BEkeGuHXk1.vvBHILktsuZci6Q_G9tRawn3YCUCbG6Zq0Wndk9k_6rt2IFzoIK1vDBIYFRLeUPLXD.8.EA25pVQN5p_4tVyt75RmoyogAQ6eX7bMi_HzlOnvmLEo1oZH1gB5iR.QQ330qqRnBh242cCF9rmUVtCQ8ubDYm8IzLPr_0QktEK2p7mQcdhTP51Vz0YoNxwMGmHQWQOatG4SeaMAT3mAAPAEIss0tNNhOLj.xJKpTP0haR4cv0X9c7WffF8cvQXWxK4A6lXLvRk8kcd8fzZgf_ufNMUIAsjuoI2DDrH.uXGZlBcZzr0T4ZuGTbLJR_2htvLBP1wVvmRK3S5zJBypRR.el__6PI9H5oiqACeFBEMAFI.xmcYGXTvUkqDCWoOpRl8Em9VmfxM7RLS7PoqetlikPQYb_58U2sq8jI7RT93efrwP.HPHSdeErTqIVSisxnQyv5mXRr14Q3AOnLa1SdJwklfA.slw.VtNcFWAMjFtH3.1CsbEFc_s35jM4lmVey6.j1K.GcK3P7v56uqEBPrnRpNsG6tmAESKWEzjKNzSFaE0nr_RS7XzyE2ZIlDSeTgqdr2EOJLBj2rKRZZLVk2Cd0b7Q395rU4T4X9XUJXd9w.TSVlrKt5p.CvpKmagqXGlTFlKI_w8w1.qdkxu0_GtgBQoiK4uguDPqJArj1.wmXeyEfkKHF0NeQZrk_HjhOVenZOsQCJl8BXJX1Zp5ePsqfptcU2.tk1scr.8.L1zRtOuHLHE.A.30pmzjEozxWABftFKxq_e30wCIfA04eVdFUB3G56aFjx5s7mKJx81Fn2Oev8YnUj2zePeBM.5DLgThi1QQ5d0ouysYAWRbITMd5LHYVY0Pt8Rosp8z6.W9ATfB9RrlRAXJaSl6yW_cMwOIo6Qm36iAhjO7S_xnMYcbNzC5Po_O6iH80xgioPaX9DfJ1Aw7brWLdHmf7wm_rgVbhNtHqvakhhMQCB6m3gO0EWZj1OkeFKqmcTAWpDDdOPIn4oMXuiNqnLAnRM3XX4JTrin3i_0it3u69zM0g6M69Jd_Sja7jivDDkEDjxexTVZQfWLlp_t7HMW.lLakn5uldABF66IGsDiCBXEeCxf6DiZTMtkOIIEYJpxXjs1Lmq9BkncO2Xx2XqE_lUHUtqOTiWeH2QpseeWkF6FvSyQ0K25.6It4zbvdfwO6TVO2BlRufOPjcJTZev8hmS4PB9ZsozVBHjlReF2KLUgSfE8uyCsATHnG6X_YpuG0lkRfUrGOpunjFzBMLiEMnWjA2hCCHWBrIM_eYUt2WnxRdKoSJ1dD1gla09GG7FduolBjR_Hr5UA2i1FKN_KvmPApP6TTlH.vWl_9fMTueW0g5jI_u56wsi.yj7OMevB9SpSJsTepAhx98XHjQsUsw4sKJ03ePSrHYL90Ekfmqaq_eRZclaYQM8AngFgmFwNjJr4OOaD8kbgitIo5UE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=94ae90fea81820c4';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/2106573489?__cf_chl_rt_tk=iLkZrLjfD1TOHTTbiVpRB93S9Td4Qp8uDDcMIptjQ3M-1749114936-1.0.1.1-TLI1fMENVO5oOsIG_8qAHS6ZhEZpInMnC5ZkpoTg6JE" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Home · About · News · Docs · Terms